Jet propulsion engine

A jet engine comprises a front turbofan engine 2, and at least one rear turbofan or turbojet engine 4. The rear engine(s) may be coupled by a connecting tube 3, to the bypass duct 5, of the front engine. Means are provided for switching between a first state in which the air inlet(s) of the rear eng...

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Bibliographische Detailangaben
Hauptverfasser:	HISAO FUTAMURA, HIDEYUKI TAGUCHI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A jet engine comprises a front turbofan engine 2, and at least one rear turbofan or turbojet engine 4. The rear engine(s) may be coupled by a connecting tube 3, to the bypass duct 5, of the front engine. Means are provided for switching between a first state in which the air inlet(s) of the rear engine(s) are coupled to the bypass duct (during supersonic flight or during acceleration to supersonic speed) and a second state in which the air inlet(s) of the rear engine(s) are disconnected from the bypass duct (during take-off). The means for switching between the two states may involve rotational, or linear transverse, displacement of the rear engine(s) (figs. 1-3, 6-7), rotation of the connecting tube (figures 4 and 5), or linear transverse displacement of the front engine (fig.8).